As a wild guess:
2 hrs (500 nm at 250 kts)
500 kW (2x250 kW motors)
So 500 kW for 2 hours, or 1 MWh. Perhaps battery density is 250 Wh/kg, so around 4000 kg for batteries alone.
Perhaps serial hybrid would makes more sense?
500 kW (2x250 kW motors)
So 500 kW for 2 hours, or 1 MWh. Perhaps battery density is 250 Wh/kg, so around 4000 kg for batteries alone.
Perhaps serial hybrid would makes more sense?
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